phylmd/Interface_surf/interfsurf_hq.f

module interfsurf_hq_m

  implicit none

contains

  SUBROUTINE interfsurf_hq(dtime, julien, rmu0, nisurf, knindex, debut, &
       tsoil, qsol, u1_lay, v1_lay, temp_air, spechum, tq_cdrag, petAcoef, &
       peqAcoef, petBcoef, peqBcoef, precip_rain, precip_snow, rugos, rugoro, &
       snow, qsurf, ts, p1lay, ps, radsol, evap, flux_t, fluxlat, dflux_l, &
       dflux_s, tsurf_new, albedo, z0_new, pctsrf_new_sic, agesno, fqcalving, &
       ffonte, run_off_lic_0)

    ! Cette routine sert d'aiguillage entre l'atmosph\`ere et la surface
    ! en g\'en\'eral (sols continentaux, oc\'eans, glaces) pour les flux de
    ! chaleur et d'humidit\'e.

    ! Laurent Fairhead, February 2000

    USE abort_gcm_m, ONLY: abort_gcm
    use alboc_cd_m, only: alboc_cd
    USE albsno_m, ONLY: albsno
    use calbeta_m, only: calbeta
    USE calcul_fluxs_m, ONLY: calcul_fluxs
    USE dimphy, ONLY: klon
    USE fonte_neige_m, ONLY: fonte_neige
    USE indicesol, ONLY: epsfra, is_lic, is_oce, is_sic, is_ter
    USE interface_surf, ONLY: conf_interface
    USE interfsur_lim_m, ONLY: interfsur_lim
    use read_sst_m, only: read_sst
    use soil_m, only: soil
    USE suphec_m, ONLY: rcpd, rtt

    real, intent(IN):: dtime ! pas de temps de la physique (en s)
    integer, intent(IN):: julien ! jour dans l'annee en cours
    real, intent(IN):: rmu0(klon) ! cosinus de l'angle solaire zenithal
    integer, intent(IN):: nisurf ! index de la surface a traiter

    integer, intent(in):: knindex(:) ! (knon)
    ! index des points de la surface a traiter

    logical, intent(IN):: debut ! 1er appel a la physique
    ! (si false calcul simplifie des fluxs sur les continents)

    REAL, intent(inout):: tsoil(:, :) ! (knon, nsoilmx)

    REAL, intent(INOUT):: qsol(:) ! (knon)
    ! column-density of water in soil, in kg m-2

    real, intent(IN):: u1_lay(:), v1_lay(:) ! (knon) vitesse 1ere couche

    real, dimension(klon), intent(IN):: temp_air, spechum
    ! temp_air temperature de l'air 1ere couche
    ! spechum humidite specifique 1ere couche
    real, intent(IN):: tq_cdrag(:) ! (knon) coefficient d'echange

    real, dimension(klon), intent(IN):: petAcoef, peqAcoef
    ! coefficients A de la r\'esolution de la couche limite pour t et q

    real, dimension(klon), intent(IN):: petBcoef, peqBcoef
    ! coefficients B de la r\'esolution de la couche limite pour t et q

    real, intent(IN):: precip_rain(klon)
    ! precipitation, liquid water mass flux (kg / m2 / s), positive down

    real, intent(IN):: precip_snow(klon)
    ! precipitation, solid water mass flux (kg / m2 / s), positive down

    real, intent(IN):: rugos(klon) ! rugosite
    real, intent(IN):: rugoro(klon) ! rugosite orographique
    real, intent(INOUT):: snow(:) ! (knon)
    real, intent(INOUT):: qsurf(klon)
    real, intent(IN):: ts(:) ! (knon) temp\'erature de surface
    real, intent(IN):: p1lay(klon) ! pression 1er niveau (milieu de couche)
    real, dimension(klon), intent(IN):: ps ! pression au sol
    REAL, INTENT(IN):: radsol(:) ! (knon) rayonnement net au sol (LW + SW)
    real, intent(OUT):: evap(:) ! (knon) evaporation totale

    real, intent(OUT):: flux_t(:) ! (knon) flux de chaleur sensible
    ! (Cp T) à la surface, positif vers le bas, W / m2

    real, intent(OUT):: fluxlat(:) ! (knon) flux de chaleur latente
    real, intent(OUT):: dflux_l(:), dflux_s(:) ! (knon)
    real, intent(OUT):: tsurf_new(:) ! (knon) temp\'erature au sol
    real, intent(OUT):: albedo(:) ! (knon) albedo
    real, intent(OUT):: z0_new(klon) ! surface roughness

    real, intent(in):: pctsrf_new_sic(:) ! (klon) 
    ! nouvelle repartition des surfaces

    real, intent(INOUT):: agesno(:) ! (knon)

    ! Flux d'eau "perdue" par la surface et n\'ecessaire pour limiter la
    ! hauteur de neige, en kg / m2 / s
    real, dimension(klon), intent(INOUT):: fqcalving

    ! Flux thermique utiliser pour fondre la neige
    real, dimension(klon), intent(INOUT):: ffonte

    real, dimension(klon), intent(INOUT):: run_off_lic_0
    ! run_off_lic_0 runoff glacier du pas de temps precedent

    ! Local:
    integer knon ! nombre de points de la surface a traiter
    REAL soilcap(size(knindex)) ! (knon)
    REAL soilflux(size(knindex)) ! (knon)
    logical:: first_call = .true.
    integer ii
    real cal(size(knindex)) ! (knon)
    real beta(size(knindex)) ! (knon) evap reelle
    real dif_grnd(klon), capsol(klon)
    real tsurf(size(knindex)) ! (knon)
    real alb_neig(size(knindex)) ! (knon)
    real zfra(size(knindex)) ! (knon)
    REAL, PARAMETER:: fmagic = 1. ! facteur magique pour r\'egler l'alb\'edo

    !-------------------------------------------------------------

    knon = size(knindex)

    ! On doit commencer par appeler les schemas de surfaces continentales
    ! car l'ocean a besoin du ruissellement qui est y calcule

    if (first_call) then
       call conf_interface

       if (nisurf /= is_ter .and. klon > 1) then
          print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
          print *, 'or on doit commencer par les surfaces continentales'
          call abort_gcm("interfsurf_hq", &
               'On doit commencer par les surfaces continentales')
       endif

       if (is_oce > is_sic) then
          print *, 'is_oce = ', is_oce, '> is_sic = ', is_sic
          call abort_gcm("interfsurf_hq", &
               "L'ocean doit etre traite avant la banquise")
       endif

       first_call = .false.
    endif

    ! Initialisations diverses

    ffonte(1:knon) = 0.
    fqcalving(1:knon) = 0.
    dif_grnd = 999999.
    capsol = 999999.
    z0_new = 999999.

    ! Aiguillage vers les differents schemas de surface

    select case (nisurf)
    case (is_ter)
       ! Surface "terre", appel \`a l'interface avec les sols continentaux

       ! Calcul age de la neige

       ! Read albedo from the file containing boundary conditions then
       ! add the albedo of snow:

       call interfsur_lim(dtime, julien, knindex, debut, albedo, z0_new)

       ! Calcul de snow et qsurf, hydrologie adapt\'ee
       CALL calbeta(is_ter, snow, qsol, beta, capsol(:knon), dif_grnd(:knon))

       CALL soil(dtime, is_ter, snow, ts, tsoil, soilcap, soilflux)
       cal = RCPD / soilcap

       CALL calcul_fluxs(dtime, ts, p1lay(:knon), cal, beta, tq_cdrag, &
            ps(:knon), qsurf(:knon), radsol + soilflux, dif_grnd(:knon), &
            temp_air(:knon), spechum(:knon), u1_lay, v1_lay, &
            petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
            peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
       CALL fonte_neige(is_ter, dtime, precip_rain(:knon), &
            precip_snow(:knon), snow, qsol, tsurf_new, evap, &
            fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))

       call albsno(dtime, agesno, alb_neig, precip_snow(:knon))
       where (snow < 0.0001) agesno = 0.
       zfra = max(0., min(1., snow / (snow + 10.)))
       albedo = alb_neig * zfra + albedo * (1. - zfra)
       z0_new = sqrt(z0_new**2 + rugoro**2)
    case (is_oce)
       ! Surface "oc\'ean", appel \`a l'interface avec l'oc\'ean

       call read_sst(julien, knindex, tsurf)
       cal = 0.
       beta = 1.
       dif_grnd = 0.
       call calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, beta, &
            tq_cdrag, ps(:knon), qsurf(:knon), radsol, &
            dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay, &
            v1_lay, petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
            peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
       agesno = 0.
       albedo = alboc_cd(rmu0(knindex)) * fmagic
       z0_new = sqrt(rugos**2 + rugoro**2)
    case (is_sic)
       ! Surface "glace de mer" appel a l'interface avec l'ocean

       DO ii = 1, knon
          IF (pctsrf_new_sic(knindex(ii)) < EPSFRA) then
             snow(ii) = 0.
             tsurf_new(ii) = RTT - 1.8
             tsoil(ii, :) = RTT - 1.8
          else
             tsurf_new(ii) = ts(ii)
          endif
       enddo

       CALL calbeta(is_sic, snow, qsol, beta, capsol(:knon), dif_grnd(:knon))
       CALL soil(dtime, is_sic, snow, tsurf_new, tsoil, soilcap, soilflux)
       cal = RCPD / soilcap
       dif_grnd = 0.
       tsurf = tsurf_new
       beta = 1.

       CALL calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, beta, &
            tq_cdrag, ps(:knon), qsurf(:knon), radsol + soilflux, &
            dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay, &
            v1_lay, petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
            peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
       CALL fonte_neige(is_sic, dtime, precip_rain(:knon), &
            precip_snow(:knon), snow, qsol, tsurf_new, evap, &
            fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))

       ! Compute the albedo:

       CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
       WHERE (snow < 0.0001) agesno = 0.
       zfra = MAX(0., MIN(1., snow / (snow + 10.)))
       albedo = alb_neig * zfra + 0.6 * (1. - zfra)

       z0_new = SQRT(0.002**2 + rugoro**2)
    case (is_lic)
       ! Surface "glacier continentaux" appel a l'interface avec le sol

       CALL soil(dtime, is_lic, snow, ts, tsoil, soilcap, soilflux)
       cal = RCPD / soilcap
       beta = 1.
       dif_grnd = 0.

       call calcul_fluxs(dtime, ts, p1lay(:knon), cal, beta, tq_cdrag, &
            ps(:knon), qsurf(:knon), radsol + soilflux, dif_grnd(:knon), &
            temp_air(:knon), spechum(:knon), u1_lay, v1_lay, &
            petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
            peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
       call fonte_neige(is_lic, dtime, precip_rain(:knon), &
            precip_snow(:knon), snow, qsol, tsurf_new, evap, &
            fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))

       ! calcul albedo
       CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
       WHERE (snow < 0.0001) agesno = 0.
       albedo = 0.77

       ! Rugosite
       z0_new = rugoro
    case default
       print *, 'Index surface = ', nisurf
       call abort_gcm("interfsurf_hq", 'Index surface non valable')
    end select

  END SUBROUTINE interfsurf_hq

end module interfsurf_hq_m
1	guez	54	module interfsurf_hq_m
2
3			implicit none
4
5			contains
6
7	guez	222	SUBROUTINE interfsurf_hq(dtime, julien, rmu0, nisurf, knindex, debut, &
8	guez	209	tsoil, qsol, u1_lay, v1_lay, temp_air, spechum, tq_cdrag, petAcoef, &
9	guez	223	peqAcoef, petBcoef, peqBcoef, precip_rain, precip_snow, rugos, rugoro, &
10			snow, qsurf, ts, p1lay, ps, radsol, evap, flux_t, fluxlat, dflux_l, &
11			dflux_s, tsurf_new, albedo, z0_new, pctsrf_new_sic, agesno, fqcalving, &
12			ffonte, run_off_lic_0)
13	guez	54
14	guez	150	! Cette routine sert d'aiguillage entre l'atmosph\`ere et la surface
15			! en g\'en\'eral (sols continentaux, oc\'eans, glaces) pour les flux de
16			! chaleur et d'humidit\'e.
17	guez	54
18	guez	104	! Laurent Fairhead, February 2000
19	guez	54
20	guez	72	USE abort_gcm_m, ONLY: abort_gcm
21	guez	154	use alboc_cd_m, only: alboc_cd
22	guez	72	USE albsno_m, ONLY: albsno
23	guez	101	use calbeta_m, only: calbeta
24	guez	72	USE calcul_fluxs_m, ONLY: calcul_fluxs
25	guez	98	USE dimphy, ONLY: klon
26	guez	72	USE fonte_neige_m, ONLY: fonte_neige
27	guez	207	USE indicesol, ONLY: epsfra, is_lic, is_oce, is_sic, is_ter
28	guez	217	USE interface_surf, ONLY: conf_interface
29	guez	72	USE interfsur_lim_m, ONLY: interfsur_lim
30	guez	202	use read_sst_m, only: read_sst
31	guez	101	use soil_m, only: soil
32	guez	178	USE suphec_m, ONLY: rcpd, rtt
33	guez	54
34	guez	99	real, intent(IN):: dtime ! pas de temps de la physique (en s)
35	guez	221	integer, intent(IN):: julien ! jour dans l'annee en cours
36	guez	99	real, intent(IN):: rmu0(klon) ! cosinus de l'angle solaire zenithal
37	guez	101	integer, intent(IN):: nisurf ! index de la surface a traiter
38
39	guez	106	integer, intent(in):: knindex(:) ! (knon)
40	guez	101	! index des points de la surface a traiter
41
42			logical, intent(IN):: debut ! 1er appel a la physique
43	guez	54	! (si false calcul simplifie des fluxs sur les continents)
44	guez	101
45	guez	208	REAL, intent(inout):: tsoil(:, :) ! (knon, nsoilmx)
46	guez	101
47	guez	225	REAL, intent(INOUT):: qsol(:) ! (knon)
48	guez	101	! column-density of water in soil, in kg m-2
49
50	guez	225	real, intent(IN):: u1_lay(:), v1_lay(:) ! (knon) vitesse 1ere couche
51
52	guez	99	real, dimension(klon), intent(IN):: temp_air, spechum
53	guez	54	! temp_air temperature de l'air 1ere couche
54			! spechum humidite specifique 1ere couche
55	guez	230	real, intent(IN):: tq_cdrag(:) ! (knon) coefficient d'echange
56	guez	215
57	guez	99	real, dimension(klon), intent(IN):: petAcoef, peqAcoef
58	guez	215	! coefficients A de la r\'esolution de la couche limite pour t et q
59
60	guez	99	real, dimension(klon), intent(IN):: petBcoef, peqBcoef
61	guez	215	! coefficients B de la r\'esolution de la couche limite pour t et q
62	guez	101
63			real, intent(IN):: precip_rain(klon)
64	guez	175	! precipitation, liquid water mass flux (kg / m2 / s), positive down
65	guez	101
66			real, intent(IN):: precip_snow(klon)
67	guez	175	! precipitation, solid water mass flux (kg / m2 / s), positive down
68	guez	101
69	guez	154	real, intent(IN):: rugos(klon) ! rugosite
70			real, intent(IN):: rugoro(klon) ! rugosite orographique
71	guez	215	real, intent(INOUT):: snow(:) ! (knon)
72			real, intent(INOUT):: qsurf(klon)
73	guez	221	real, intent(IN):: ts(:) ! (knon) temp\'erature de surface
74	guez	215	real, intent(IN):: p1lay(klon) ! pression 1er niveau (milieu de couche)
75			real, dimension(klon), intent(IN):: ps ! pression au sol
76	guez	267	REAL, INTENT(IN):: radsol(:) ! (knon) rayonnement net au sol (LW + SW)
77	guez	206	real, intent(OUT):: evap(:) ! (knon) evaporation totale
78	guez	214
79	guez	206	real, intent(OUT):: flux_t(:) ! (knon) flux de chaleur sensible
80	guez	214	! (Cp T) à la surface, positif vers le bas, W / m2
81	guez	267
82	guez	214	real, intent(OUT):: fluxlat(:) ! (knon) flux de chaleur latente
83	guez	222	real, intent(OUT):: dflux_l(:), dflux_s(:) ! (knon)
84	guez	207	real, intent(OUT):: tsurf_new(:) ! (knon) temp\'erature au sol
85	guez	156	real, intent(OUT):: albedo(:) ! (knon) albedo
86	guez	154	real, intent(OUT):: z0_new(klon) ! surface roughness
87	guez	202
88			real, intent(in):: pctsrf_new_sic(:) ! (klon)
89			! nouvelle repartition des surfaces
90
91	guez	175	real, intent(INOUT):: agesno(:) ! (knon)
92	guez	54
93	guez	215	! Flux d'eau "perdue" par la surface et n\'ecessaire pour limiter la
94	guez	175	! hauteur de neige, en kg / m2 / s
95	guez	54	real, dimension(klon), intent(INOUT):: fqcalving
96	guez	99
97			! Flux thermique utiliser pour fondre la neige
98			real, dimension(klon), intent(INOUT):: ffonte
99
100			real, dimension(klon), intent(INOUT):: run_off_lic_0
101			! run_off_lic_0 runoff glacier du pas de temps precedent
102
103			! Local:
104	guez	222	integer knon ! nombre de points de la surface a traiter
105			REAL soilcap(size(knindex)) ! (knon)
106			REAL soilflux(size(knindex)) ! (knon)
107	guez	175	logical:: first_call = .true.
108			integer ii
109	guez	222	real cal(size(knindex)) ! (knon)
110			real beta(size(knindex)) ! (knon) evap reelle
111	guez	215	real dif_grnd(klon), capsol(klon)
112	guez	222	real tsurf(size(knindex)) ! (knon)
113			real alb_neig(size(knindex)) ! (knon)
114			real zfra(size(knindex)) ! (knon)
115	guez	208	REAL, PARAMETER:: fmagic = 1. ! facteur magique pour r\'egler l'alb\'edo
116	guez	54
117			!-------------------------------------------------------------
118
119	guez	222	knon = size(knindex)
120	guez	267
121	guez	54	! On doit commencer par appeler les schemas de surfaces continentales
122			! car l'ocean a besoin du ruissellement qui est y calcule
123
124			if (first_call) then
125	guez	72	call conf_interface
126	guez	175
127	guez	54	if (nisurf /= is_ter .and. klon > 1) then
128	guez	101	print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
129			print *, 'or on doit commencer par les surfaces continentales'
130	guez	175	call abort_gcm("interfsurf_hq", &
131			'On doit commencer par les surfaces continentales')
132	guez	54	endif
133	guez	175
134	guez	101	if (is_oce > is_sic) then
135	guez	175	print *, 'is_oce = ', is_oce, '> is_sic = ', is_sic
136			call abort_gcm("interfsurf_hq", &
137	guez	208	"L'ocean doit etre traite avant la banquise")
138	guez	54	endif
139	guez	175
140			first_call = .false.
141	guez	54	endif
142
143			! Initialisations diverses
144
145	guez	175	ffonte(1:knon) = 0.
146			fqcalving(1:knon) = 0.
147	guez	54	dif_grnd = 999999.
148			capsol = 999999.
149			z0_new = 999999.
150
151			! Aiguillage vers les differents schemas de surface
152
153	guez	104	select case (nisurf)
154			case (is_ter)
155	guez	171	! Surface "terre", appel \`a l'interface avec les sols continentaux
156	guez	54
157			! Calcul age de la neige
158
159	guez	174	! Read albedo from the file containing boundary conditions then
160			! add the albedo of snow:
161
162	guez	221	call interfsur_lim(dtime, julien, knindex, debut, albedo, z0_new)
163	guez	54
164	guez	215	! Calcul de snow et qsurf, hydrologie adapt\'ee
165	guez	225	CALL calbeta(is_ter, snow, qsol, beta, capsol(:knon), dif_grnd(:knon))
166	guez	54
167	guez	267	CALL soil(dtime, is_ter, snow, ts, tsoil, soilcap, soilflux)
168			cal = RCPD / soilcap
169	guez	171
170	guez	230	CALL calcul_fluxs(dtime, ts, p1lay(:knon), cal, beta, tq_cdrag, &
171	guez	267	ps(:knon), qsurf(:knon), radsol + soilflux, dif_grnd(:knon), &
172	guez	225	temp_air(:knon), spechum(:knon), u1_lay, v1_lay, &
173	guez	222	petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
174			peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
175	guez	215	CALL fonte_neige(is_ter, dtime, precip_rain(:knon), &
176	guez	225	precip_snow(:knon), snow, qsol, tsurf_new, evap, &
177	guez	215	fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
178	guez	54
179	guez	175	call albsno(dtime, agesno, alb_neig, precip_snow(:knon))
180	guez	215	where (snow < 0.0001) agesno = 0.
181			zfra = max(0., min(1., snow / (snow + 10.)))
182	guez	174	albedo = alb_neig * zfra + albedo * (1. - zfra)
183	guez	101	z0_new = sqrt(z0_new2 + rugoro2)
184	guez	104	case (is_oce)
185	guez	175	! Surface "oc\'ean", appel \`a l'interface avec l'oc\'ean
186
187	guez	222	call read_sst(julien, knindex, tsurf)
188	guez	54	cal = 0.
189			beta = 1.
190			dif_grnd = 0.
191	guez	222	call calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, beta, &
192	guez	230	tq_cdrag, ps(:knon), qsurf(:knon), radsol, &
193	guez	225	dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay, &
194			v1_lay, petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
195	guez	222	peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
196	guez	54	agesno = 0.
197	guez	209	albedo = alboc_cd(rmu0(knindex)) * fmagic
198	guez	54	z0_new = sqrt(rugos2 + rugoro2)
199	guez	104	case (is_sic)
200	guez	54	! Surface "glace de mer" appel a l'interface avec l'ocean
201
202	guez	99	DO ii = 1, knon
203	guez	202	IF (pctsrf_new_sic(knindex(ii)) < EPSFRA) then
204	guez	175	snow(ii) = 0.
205	guez	99	tsurf_new(ii) = RTT - 1.8
206	guez	267	tsoil(ii, :) = RTT - 1.8
207	guez	221	else
208			tsurf_new(ii) = ts(ii)
209	guez	99	endif
210			enddo
211	guez	54
212	guez	225	CALL calbeta(is_sic, snow, qsol, beta, capsol(:knon), dif_grnd(:knon))
213	guez	267	CALL soil(dtime, is_sic, snow, tsurf_new, tsoil, soilcap, soilflux)
214			cal = RCPD / soilcap
215			dif_grnd = 0.
216	guez	222	tsurf = tsurf_new
217	guez	175	beta = 1.
218	guez	54
219	guez	222	CALL calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, beta, &
220	guez	267	tq_cdrag, ps(:knon), qsurf(:knon), radsol + soilflux, &
221	guez	225	dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay, &
222			v1_lay, petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
223	guez	222	peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
224	guez	215	CALL fonte_neige(is_sic, dtime, precip_rain(:knon), &
225	guez	225	precip_snow(:knon), snow, qsol, tsurf_new, evap, &
226	guez	215	fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
227	guez	54
228	guez	174	! Compute the albedo:
229	guez	54
230	guez	175	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
231	guez	215	WHERE (snow < 0.0001) agesno = 0.
232			zfra = MAX(0., MIN(1., snow / (snow + 10.)))
233	guez	175	albedo = alb_neig * zfra + 0.6 * (1. - zfra)
234	guez	54
235	guez	191	z0_new = SQRT(0.0022 + rugoro2)
236	guez	104	case (is_lic)
237	guez	54	! Surface "glacier continentaux" appel a l'interface avec le sol
238
239	guez	267	CALL soil(dtime, is_lic, snow, ts, tsoil, soilcap, soilflux)
240			cal = RCPD / soilcap
241	guez	175	beta = 1.
242			dif_grnd = 0.
243	guez	54
244	guez	230	call calcul_fluxs(dtime, ts, p1lay(:knon), cal, beta, tq_cdrag, &
245	guez	267	ps(:knon), qsurf(:knon), radsol + soilflux, dif_grnd(:knon), &
246	guez	225	temp_air(:knon), spechum(:knon), u1_lay, v1_lay, &
247	guez	222	petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
248			peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
249	guez	215	call fonte_neige(is_lic, dtime, precip_rain(:knon), &
250	guez	225	precip_snow(:knon), snow, qsol, tsurf_new, evap, &
251	guez	215	fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
252	guez	54
253			! calcul albedo
254	guez	175	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
255	guez	215	WHERE (snow < 0.0001) agesno = 0.
256	guez	156	albedo = 0.77
257	guez	54
258			! Rugosite
259			z0_new = rugoro
260	guez	104	case default
261	guez	101	print *, 'Index surface = ', nisurf
262	guez	175	call abort_gcm("interfsurf_hq", 'Index surface non valable')
263	guez	104	end select
264	guez	54
265			END SUBROUTINE interfsurf_hq
266
267			end module interfsurf_hq_m